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Diseased pear tree


Does anyone know what type of disease this is that has attacked the pear tree and how to get rid of it, please?

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  • Pete.8Pete.8 Billericay, EssexPosts: 8,528
    It's pear rust.
    Not much you can do about it I'm afraid.
    Some info from the RHS here
    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • dappledshadedappledshade Top of the Hill, North London Posts: 926
    edited September 2018
    Have a look at this article, very interesting (pear tree rust is at the bottom of the page) - it seems you can, sometimes, manage this problem depending on the severity and time of year:

    https://www.gardenfocused.co.uk/fruitarticles/pears/pest.php
  • PalustrisPalustris Posts: 3,834
    You also would need to remove any Junipers in the vicinity as the rust starts on them and transfers to the Pear tree.
  • dappledshadedappledshade Top of the Hill, North London Posts: 926
    That's exactly what the article mentions, Berghill.
  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,378
    I start picking the leaves off and burning them as soon as the rust starts appearing each year, so that the spores don't fall to the ground and reinfect the tree the following year.   So far I've not yet ended up with a totally naked tree ... and as it's an espalier it's halfway naked already  :)
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • dappledshadedappledshade Top of the Hill, North London Posts: 926
     :) Dove

    Worth mentioning that my pot grown olive tree is susceptible to rust too.

    I pick off leaves as they start to show signs and throw them in the bin (not in compost heap, as they can reinfect).

    I also remove amy dried leaves that have already fallen, from the surface of the soil, to prevent spores reinfecting.

    So far, as well as making sure it has good air circulation around it and doesn't get stressed during times of drought, it has survived.

  • Pete.8Pete.8 Billericay, EssexPosts: 8,528
    edited September 2018
    My understanding of pear rust (which may be wrong) is that the spores that are created on the pear tree leaves are designed to only infect species of juniper. The spores formed on the leaves of pears cannot reinfect a pear tree.
    I guess the same is true re. the juniper
    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • lizzykincaidelizzykincaide Croydon Posts: 79
    Thanks for all your responses. Dappledshade I found that article really useful. 
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